Shanghai New Power Automotive Technology

Shanghai New Power Automotive Technology Co., Ltd (SNAT) (Formerly known as Shanghai Diesel Engine Co., Ltd. (SDEC); ) is a Chinese diesel engine manufacturing company which is wholly owned by SAIC Motor. SDEC headquarters and main production facilities are located in Yangpu District, in Shanghai. It was founded as Wusong Works organization in 1947 and renamed as the Shanghai Diesel Engine Factory in 1953. SDEC was restructured into a stock-shared company in 1993.

In 1994, SDEC was the first company in China to receive ISO9001 certification. SDEC has also been awarded QS9000 and TS16949 certification conducted by TÜV Rheinland. In 2002 and 2005, SDEC was awarded with the Golden Award of Quality for the 6CT natural gas engine as it was evaluated as the best engine by the World Passenger Car Association. In 2006, SDEC was awarded "Best Engine Manufacturer" by the World Passenger Car Association.

In 2021, SDE underwent "major asset restructuring" was renamed to Shanghai New Power Automotive Technology (SNAT).

C Series
C series engine are based on the 3306-series diesel engine from Caterpillar Inc. In 2006, SDEC carried out a upgrades in cooperation with FEV.
 * SC11C
 * SC11CB184
 * SC11CB195
 * SC11CB200
 * SC11CB200.1
 * SC11CB220
 * SC11CB220.1
 * SC11CB220.2
 * SC11CB240
 * SC11CB240.1
 * SC11CB270

D Series
The D series engine was jointly designed by SDEC and AVL (Austria) based on domestic fuel quality and user habits. In 2005, SDEC carried out a redesign and 4-valve upgrade in cooperation with Southwest Research Institute (SwRI) of USA.
 * SC8D
 * SC9D
 * D683

E Series
The E series engine was jointly designed by SDEC and AVL (Austria)
 * SC10E
 * SC12E

G Series
G series marine engine are based on the 3128 Xinlong diesel engine jointly designed by SDEC and AVL.
 * G128
 * SC13G
 * SC15G

H Series
Engines jointly designed and developed by SDEC and UK Ricardo plc.
 * SC4H
 * SC7H

M Series
Light-duty truck engines jointly developed with GM.
 * SC20M

SC20M (D20)
Also called SAIC "π" engine (twin-turbo), VGT 2.0L diesel engine that will be used in all new SAIC Maxus vehicles.

R Series
Engines based on a VM Motori license.
 * SC25R
 * SC28R

W Series
Marine engine with 4 valves per cylinder, mechanical governor and P11 high-pressure fuel injection.
 * SC33W

Diesel generator sets
All sets come equipped with an auto-starting device and an optional ATS switch cabinet.

D series
Powered by D series diesel engines.
 * SD-SC200
 * SD-SC250

E series
Powered by E series diesel engines.
 * SD-SC325

G series
Powered by G series diesel engines.
 * SD-SC313
 * SD-SC375
 * SD-SC450
 * SD-SC500
 * SD-SC563
 * SD-SC625
 * SD-SC682

H series
Powered by H series diesel engines.
 * SD-SC63
 * SD-SC80
 * SD-SC100
 * SD-SC125
 * SD-SC150
 * SD-SC188

SR series
Powered by SR series diesel engines
 * D500MG
 * D540MG
 * D600MG
 * D800MG
 * D1000MG
 * D1100MG
 * D1200MG
 * D1360MG
 * D1500MG
 * D1600MG

W series
Powered by W series diesel engines.
 * SD-SC750